Exam 9: Patterns of Inheritance

Short hair (L) is dominant to long hair (l); if a short-haireanimal of unknown origin is crossewith a long-haireanimal, anthey produconlong-haireanonshort-haireoffspring, this woulindicatthat

Which of thfollowing statements about thsecongeneration producein dihybricross is NOT true?

A bell-shapecurvof phenotypic variation is indicativof

Observabltraits arknown in biology as

In a pedigrechart, a femalwho does NOT demonstratthtrait being studieis representeby

Which of thfollowing woulbthLEAST satisfactory organisfor genetic research?

In thvast majority of cystic fibrosis patients, thCFTR protein misses onimportant amino acid.Which of thfollowing is that amino acid?

How many plants woulhavpurplflowers anshort stems?

An X-linkecarrier is a

An individual with a genetic makup of aaBB is saito be

Thvariation of thcolor in snowshohares is duto

An allelis __________ if its effect masks that of a (n) __________ allelpairewith it.

Which of thfollowing is truabout Gregor Mendel?

Pleiotropic genes

Which of thfollowing is useto check for dominancrelationship between alleles of ongene?

In an autosomal disorder such as Huntington's, two carrier parents havthprobability of passing thgenon to __________ percent of their children.

A genthat produces multipleffects is called

Which of thfollowing diseases is thmost common fatal genetic disorder in thUniteStates?

Cystic fibrosis is a __________ disease.

Four of thfivanswers listebelow arconditions causeby chromosomal nondisjunction.Select thEXCEPTION.